JBL's latest generation of high-powered, lightweight Differential Drive® transducers, coupled to our proven line array technology, is at the core of VERTEC® systems and is a direct response to the rental sound industry's demand for reduced system size and complexity while simultaneously delivering highly advanced performance. Rugged, integral array suspension hardware ensures fast, reliable setups and takedowns. For maximum inventory flexibility, the Compact Models VT4881A and VT4887A and the Midsize Models VT4882 and VT4888 are pre-engineered to accept the JBL Drivepack® electronic modules with robust Crown amplification and dbx digital signal processing. This family of line array elements is ready to meet whatever system format your business operations and clients demand.